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math.CO2023
-quiddités sur des produits directs d'anneaux
Flavien Mabilat
The aim of this article is to continue the study of the notion of -quiddity over a ring, which appeared during the study of Coxeter's friezes. For this, we will focus here on si…
math.CO2023
Classification des entiers monomialement irr{é}ductibles et g{é}n{é}ralisations
Flavien Mabilat
In this article, we study the classification of some natural numbers related to the combinatorics of congruence subgroups of the modular group. More precisely, we will focus here o…
math.CO2023★ 1 cited
Comptage des quiddit{é}s sur les corps finis et sur quelques anneaux
Michael Cuntz, Flavien Mabilat
The -quiddities of size are -tuples of elements of a fixed set, solutions of a matrix equation appearing in the study of Coxeter's friezes. These can be considered on var…